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Monitoring modes, Clear, Sip solo solo mode – Allen&Heath GS-R24M User Manual

Page 27: Pfl mode switch, Afl mode switch, Solo in place mode, Add mode switch, Solo clear switch, Select mode, Afl/pfl monitoring system diagram

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Allen & Heath 27 GS_R24 User Guide

PFL MODE

CLEAR

AFL MODE

OFF = SEL MODE

ADD MODE

SIP

SOLO

SOLO MODE

MONITORING MODES

PFL MODE switch

In PFL mode (PFL MODE switch pressed, AFL MODE not pressed),

pressing an input channel Solo switch will send a pre-fade (pre-mute)
signal to the PFL bus and trigger the PFL monitoring in the master

section. This will override any AFL monitoring from the master sec-

tion AFL switches.

AFL

DIGITAL MASTER IN

2 TRACK 2 IN

2 TRACK 1 IN

+

MONO

L

R

CONTROL ROOM MONITORS

PHONES

LEVEL

LEFT

RIGHT

ALTERNATE SPEAKERS

LEFT

RIGHT

ALT

PFL

SURROUND ONLY

CENTRE

SUB BASS

MONO POSTFADE

L-R POSTFADE

DIM

-20dB

-20dB

MONITORS LEVEL

INTERFACE I/P CH 25-30

SURROUND

SOLO MODE

PFL

AFL

ADD

SOLO-IN-PLACE

LOGIC CONTROL FOR

SOLO MODES & MIDI

SOLO LOGIC

SOLO/SELECT

PFL

AFL L

AFL R

PREFADE

POSTFADE L

POSTFADE R

PF

L BU

S

AF

L L

BU

S

AF

L R

BU

S

AFL L SUM

AFL R SUM

PFL SUM

AFL MODE switch

In AFL mode (AFL MODE switch pressed, PFL MODE not pressed),

an input channel Solo switch will send a post fade, post pan signal to
the stereo AFL bus and trigger the AFL monitoring in the master

section. This will sum with any AFL monitoring signals selected in the

master section.

Solo in Place MODE

If both PFL and AFL mode switches are pressed then the monitoring

system is set for Solo in Place. If a Solo switch is pressed on any in-
put channel (mono or stereo input), all other un-pressed input chan-

nels will be muted. There is a SiP Safe switch on each stereo input

channel to inhibit the muting function.
The SiP system does not activate the monitoring circuitry in the

master section, so will not illuminate the PFL/AFL active LED by the

monitor meters, instead there are indicator LEDs in the meter-

bridge.

ADD MODE switch

Normally the channel Solo switches are exclusive—so they cancel any previously selected Solo switch. In

Add mode they do not cancel so more than one can be selected at a time.

SOLO CLEAR switch

Clears any active Solo switch. Illuminates when any Solo switches are active.

It is good practise to clear any Solo/Select switches before changing Solo MODE. This will
avoid any confusing selection if different switches are active in different modes.

Select MODE

If neither PFL or AFL mode switches are pressed, the mono and stereo input channel Solo switches operate

as MIDI select buttons. Further information about the MIDI functionality can be found on page 32.

AFL/PFL monitoring system diagram

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